Home / 434,538,821.60-651,808,232.40-204,956,309.60

Finding the Fourth Proportional to 434,538,821.60, 651,808,232.40 and 204,956,309.60

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Solution

The fourth proportional to 434,538,821.60, 651,808,232.40 and 204,956,309.60 is: 307,434,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,538,821.60 : 651,808,232.40 = 204,956,309.60 : x
  2. Step 2: Convert to fraction form
    434,538,821.60/651,808,232.40 = 204,956,309.60/x
  3. Step 3: Cross multiply
    434,538,821.60x = 651,808,232.40 × 204,956,309.60
  4. Step 4: Simplify right side
    434,538,821.60x = 133,592,209,879,603,136
  5. Step 5: Solve for x
    x = 133,592,209,879,603,136/434,538,821.60
  6. Step 6: Final answer
    x = 307,434,464.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.